US 11,991,589 B2
System and method of determining real-time location
Eric J. Smith, Holland, MI (US)
Assigned to DENSO International America, Inc., Southfield, MI (US); and DENSO CORPORATION, Kariya (JP)
Filed by DENSO International America, Inc., Southfield, MI (US); and DENSO CORPORATION, Kariya (JP)
Filed on Mar. 31, 2022, as Appl. No. 17/709,682.
Claims priority of provisional application 63/168,425, filed on Mar. 31, 2021.
Prior Publication US 2022/0322029 A1, Oct. 6, 2022
Int. Cl. H04W 4/02 (2018.01); A44B 15/00 (2006.01); B60R 25/24 (2013.01); G07C 9/00 (2020.01)
CPC H04W 4/023 (2013.01) [A44B 15/005 (2013.01); B60R 25/245 (2013.01); G07C 9/00309 (2013.01); G07C 2009/00769 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A keyfob operable to communicate with an object, said keyfob comprising:
an antenna system configured to communicate wirelessly with the object, wherein said keyfob and the object are configurable to communicate wirelessly via a primary communication link;
a controller operably coupled to said antenna system, said controller configured to receive one or more parameters from a remote device via a secondary communication link with the remote device, wherein the one or more parameters pertain to authentication with respect to the object; and
said controller configured to direct the antenna system to transmit communications to the object via said primary communication link, said controller operable to authenticate with respect to the object based on the one or more parameters received from the remote device via the secondary link, whereby the object is operable to determine a location of said keyfob based on said communications from said keyfob.